Home / 28,161,011.80-42,241,517.70-8,993,171.80

Finding the Fourth Proportional to 28,161,011.80, 42,241,517.70 and 8,993,171.80

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Solution

The fourth proportional to 28,161,011.80, 42,241,517.70 and 8,993,171.80 is: 13,489,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161,011.80 : 42,241,517.70 = 8,993,171.80 : x
  2. Step 2: Convert to fraction form
    28,161,011.80/42,241,517.70 = 8,993,171.80/x
  3. Step 3: Cross multiply
    28,161,011.80x = 42,241,517.70 × 8,993,171.80
  4. Step 4: Simplify right side
    28,161,011.80x = 379,885,225,768,840.94
  5. Step 5: Solve for x
    x = 379,885,225,768,840.94/28,161,011.80
  6. Step 6: Final answer
    x = 13,489,757.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.